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Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1890-01-07419,170506162
1890-01-14419,617447110
1890-01-21420,026409161
1890-01-28420,427401130
1890-02-04420,924497130
1890-02-11421,373449130
1890-02-18421,886513290
1890-02-25422,360474161
1890-03-04422,898538220
1890-03-11423,430532132
1890-03-18423,892462101
1890-03-25424,444552250
1890-04-01424,943499160
1890-04-08425,395452160
1890-04-15426,020625140
1890-04-22426,422402142
1890-04-29427,030608270
1890-05-06427,531501150
1890-05-13428,058527140
1890-05-20428,58552780
1890-05-27429,106521190
1890-06-03429,590484110
1890-06-10430,103513201
1890-06-17430,605502161
1890-06-24431,025420100
1890-07-01431,541516170
1890-07-08432,006465121
1890-07-15432,502496150
1890-07-22432,964462252
1890-07-29433,432468330
1890-08-05433,926494250
1890-08-12434,418492191
1890-08-19434,903485200
1890-08-26435,382479150
1890-09-02435,91152990
1890-09-09436,326415130
1890-09-16436,766440140
1890-09-23437,17240670
1890-09-30437,672500150
1890-10-07438,130458101
1890-10-14438,596466170
1890-10-21439,085489170
1890-10-28439,617532201
1890-11-04440,121504161
1890-11-11440,613492130
1890-11-18441,119506120
1890-11-25441,629510151
1890-12-02442,090461370
1890-12-09442,598508130
1890-12-16443,083485310
1890-12-23443,48840590
1890-12-30443,986498140
The 'shotgun' links will bring up a page that lets you quickly click on the utility patents issued on the date selected. Clicks in the Datamp Count column will bring up the patents in the datamp database that have the grant date of the row selected. Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.